From: Scott James Remnant <scott@ubuntu.com>
Date: Wed, 11 Feb 2009 17:44:03 +0000 (+0000)
Subject: rules: update persistent storage rules to use inotify watches
X-Git-Tag: 174~1170
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f24036d63b0aee735c3098d09b9e0ed450e93177;p=systemd

rules: update persistent storage rules to use inotify watches
---

diff --git a/NEWS b/NEWS
index 98f4937f..41706972 100644
--- a/NEWS
+++ b/NEWS
@@ -3,6 +3,8 @@ udev 138
 Device nodes can be watched for changes with inotify with OPTIONS="watch".  If
 closed after being opened for writing, a "change" uevent will occur.
 
+/dev/disk/by-*/* symlinks will be automatically updated.
+
 udev 137
 ========
 Bugfixes.
diff --git a/rules/rules.d/60-persistent-storage.rules b/rules/rules.d/60-persistent-storage.rules
index abb9fce3..8476f14e 100644
--- a/rules/rules.d/60-persistent-storage.rules
+++ b/rules/rules.d/60-persistent-storage.rules
@@ -57,8 +57,8 @@ ENV{DEVTYPE}=="disk", KERNEL!="sd*|sr*", ATTR{removable}=="1", GOTO="persistent_
 # probe filesystem metadata of optical drives which have a media inserted
 KERNEL=="sr*", ENV{ID_CDROM_MEDIA_TRACK_COUNT}=="?*", IMPORT{program}="vol_id --export --skip-raid --offset=$env{ID_CDROM_MEDIA_SESSION_LAST_OFFSET} $tempnode"
 
-# probe filesystem metadata of disks
-KERNEL!="sr*", IMPORT{program}="vol_id --export $tempnode"
+# probe filesystem metadata of disks, watch for future changes
+KERNEL!="sr*", IMPORT{program}="vol_id --export $tempnode", OPTIONS+="watch"
 
 # by-label/by-uuid links (filesystem metadata)
 ENV{ID_FS_USAGE}=="filesystem|other|crypto", ENV{ID_FS_UUID_ENC}=="?*", SYMLINK+="disk/by-uuid/$env{ID_FS_UUID_ENC}"